Game overview
Cthulhu Realms
Star Realms has gone insane! Introducing Cthulhu Realms! Are you zany enough to play the crazier and creepier cousin of Star Realms? Download and play today to find out why Cthulhu Realms is so crazily addictive!
- Last tracked players
- 0
- All-time peak
- 4
- 24-hour change
- Unavailable
- Steam reviews
- 72.2% positive 227 reviews · via SteamSpy
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description
Star Realms has gone insane! Introducing Cthulhu Realms! Are you zany enough to play the crazier and creepier cousin of Star Realms?
Download and play today to find out why Cthulhu Realms is so crazily addictive!
How to Play the Game:
In Cthulhu Realms, each player tries to drive their opponent insane or have more sanity than their opponents when the deck runs out.
Each player starts the game with a small deck comprised of initiates, goons and followers. Five cards from the deck form a row of available cards on the table; with more than two players, place three available cards between each pair of players.
Each turn, you start with five cards in hand, playing those cards in order to put locations into play, boost your own sanity or reduce that of others, collect conjuring power to acquire new cards, and remove cards from the game. You can use the power of your locations once each turn. At the end of your turn, discard any cards still in hand and all entities and artifacts that you played.
If you lose all of your sanity, you're out of the game. If you're the only one at the table who's still sane, you win. Otherwise, the game ends when the deck runs out and whoever has the most sanity wins.
Darwin Kastle is the designer of the popular Star Realms Deckbuilding Game, and with the digital release of Cthulhu Realms, he once again provides tons of playability for free, and a one-time upgrade to be able play with your friends and more on any device.
Free Version
• Drive people insane everywhere - play across devices.
• Crazyily addictive deckbuilding game.
• Tutorial teaches you how to make people crazy in minutes.
• Awesome, comical art.
• Play VS the AI.
• 8 silly campaign missions!
Full Game Additional Features
• Play the AI on 2 different difficulty settings.
• 8 more fun campaign missions.
• Battle your friends face to face with Pass and Play.
• Play against many more opponents online.
• Challenge a friend to online Player v Player combat
Cthulhu Realms is also available at your local game store as a physical card game from Tasty Minstrel Games.
Download and play today to find out why Cthulhu Realms is so crazily addictive!
How to Play the Game:
In Cthulhu Realms, each player tries to drive their opponent insane or have more sanity than their opponents when the deck runs out.
Each player starts the game with a small deck comprised of initiates, goons and followers. Five cards from the deck form a row of available cards on the table; with more than two players, place three available cards between each pair of players.
Each turn, you start with five cards in hand, playing those cards in order to put locations into play, boost your own sanity or reduce that of others, collect conjuring power to acquire new cards, and remove cards from the game. You can use the power of your locations once each turn. At the end of your turn, discard any cards still in hand and all entities and artifacts that you played.
If you lose all of your sanity, you're out of the game. If you're the only one at the table who's still sane, you win. Otherwise, the game ends when the deck runs out and whoever has the most sanity wins.
Darwin Kastle is the designer of the popular Star Realms Deckbuilding Game, and with the digital release of Cthulhu Realms, he once again provides tons of playability for free, and a one-time upgrade to be able play with your friends and more on any device.
Free Version
• Drive people insane everywhere - play across devices.
• Crazyily addictive deckbuilding game.
• Tutorial teaches you how to make people crazy in minutes.
• Awesome, comical art.
• Play VS the AI.
• 8 silly campaign missions!
Full Game Additional Features
• Play the AI on 2 different difficulty settings.
• 8 more fun campaign missions.
• Battle your friends face to face with Pass and Play.
• Play against many more opponents online.
• Challenge a friend to online Player v Player combat
Cthulhu Realms is also available at your local game store as a physical card game from Tasty Minstrel Games.
Media gallery 6 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
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Latest news
All news on Steam ↗System requirements Windows
Windows
Minimum
Minimum:- OS *: Windows XP SP2+
- Graphics: DX9 (shader model 2.0) capabilities; generally everything made since 2004 should work.
Game details Languages, features & support
- Publisher
- Wise Wizard Games, LLC
- Brazilian rating
- 10
- Steam Germany rating
- 12
- Features
- Single-player, Multi-player, Shared/Split Screen, Cross-Platform Multiplayer, In-App Purchases, Remote Play Together, Family Sharing
- Languages
- English*
*languages with full audio support - Website
- Official website ↗
- Support
- [email protected] Support site ↗
Compatibility & accessibility Steam Deck, controllers & access features
Can I Play This?
Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
playable
Valve compatibility test
The on-screen keyboard may need to be opened manually.
Input
Controller support: unknown
Structured language support (1)
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
Steam store page
fresh · checked 2026-11-07
PCGamingWiki technical notes
External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools
Genre Benchmarks
Player Count
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Developer Analytics
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Frequently Asked Questions
Is Cthulhu Realms free to play?
Yes, Cthulhu Realms is free to play on Steam.
What genre is Cthulhu Realms?
Cthulhu Realms is a Strategy game.
Who developed Cthulhu Realms?
Cthulhu Realms was developed by Wise Wizard Games, LLC and published by Wise Wizard Games, LLC.
What platforms does Cthulhu Realms support?
Available on Steam for Windows.
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